6cd62ccf |
1 | #include <stdio.h> |
2 | #include <fcntl.h> |
3 | #include <sys/stat.h> |
4 | #include <sys/types.h> |
963b5f2d |
5 | #include <dirent.h> |
6cd62ccf |
6 | #include <linux/errno.h> |
7 | |
fcdf0ec2 |
8 | #include <ltt/LTTTypes.h> |
6cd62ccf |
9 | #include "parser.h" |
963b5f2d |
10 | #include <ltt/trace.h> |
6cd62ccf |
11 | |
963b5f2d |
12 | #define DIR_NAME_SIZE 256 |
6cd62ccf |
13 | |
14 | /* set the offset of the fields belonging to the event, |
15 | need the information of the archecture */ |
40331ba8 |
16 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t); |
6cd62ccf |
17 | |
18 | /* get the size of the field type according to the archtecture's |
19 | size and endian type(info of the archecture) */ |
40331ba8 |
20 | int getFieldtypeSize(LttTracefile * tf, LttEventType * evT, int offsetRoot, |
21 | int offsetParent, LttField *fld, void *evD, LttTrace* t); |
6cd62ccf |
22 | |
23 | /* read a fixed size or a block information from the file (fd) */ |
24 | int readFile(int fd, void * buf, size_t size, char * mesg); |
963b5f2d |
25 | int readBlock(LttTracefile * tf, int whichBlock); |
6cd62ccf |
26 | |
27 | /* calculate cycles per nsec for current block */ |
963b5f2d |
28 | void getCyclePerNsec(LttTracefile * t); |
6cd62ccf |
29 | |
30 | /* reinitialize the info of the block which is already in the buffer */ |
963b5f2d |
31 | void updateTracefile(LttTracefile * tf); |
6cd62ccf |
32 | |
33 | /* go to the next event */ |
963b5f2d |
34 | int skipEvent(LttTracefile * t); |
6cd62ccf |
35 | |
963b5f2d |
36 | /* compare two time (LttTime), 0:t1=t2, -1:t1<t2, 1:t1>t2 */ |
37 | int timecmp(LttTime * t1, LttTime * t2); |
6cd62ccf |
38 | |
6cd62ccf |
39 | |
6cd62ccf |
40 | |
41 | /***************************************************************************** |
42 | *Function name |
963b5f2d |
43 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
44 | *Input params |
963b5f2d |
45 | * t : the trace containing the tracefile |
46 | * fileName : path name of the trace file |
6cd62ccf |
47 | *Return value |
963b5f2d |
48 | * : a pointer to a tracefile |
6cd62ccf |
49 | ****************************************************************************/ |
50 | |
963b5f2d |
51 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
52 | { |
963b5f2d |
53 | LttTracefile * tf; |
54 | struct stat lTDFStat; /* Trace data file status */ |
55 | BlockStart a_block_start; |
6cd62ccf |
56 | |
963b5f2d |
57 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
58 | |
59 | //open the file |
963b5f2d |
60 | tf->name = g_strdup(fileName); |
61 | tf->trace = t; |
6cd62ccf |
62 | tf->fd = open(fileName, O_RDONLY, 0); |
63 | if(tf->fd < 0){ |
64 | g_error("Unable to open input data file %s\n", fileName); |
65 | } |
66 | |
67 | // Get the file's status |
68 | if(fstat(tf->fd, &lTDFStat) < 0){ |
69 | g_error("Unable to get the status of the input data file %s\n", fileName); |
70 | } |
71 | |
72 | // Is the file large enough to contain a trace |
963b5f2d |
73 | if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){ |
8710c6c7 |
74 | g_print("The input data file %s does not contain a trace\n", fileName); |
663bd9ff |
75 | g_free(tf->name); |
76 | close(tf->fd); |
77 | g_free(tf); |
8710c6c7 |
78 | return NULL; |
6cd62ccf |
79 | } |
80 | |
81 | //store the size of the file |
82 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
83 | tf->block_size = t->system_description->ltt_block_size; |
84 | tf->block_number = tf->file_size / tf->block_size; |
85 | tf->which_block = 0; |
6cd62ccf |
86 | |
87 | //allocate memory to contain the info of a block |
963b5f2d |
88 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
89 | |
963b5f2d |
90 | //read the first block |
91 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
92 | |
93 | return tf; |
94 | } |
95 | |
6cd62ccf |
96 | |
97 | /***************************************************************************** |
963b5f2d |
98 | *Open control and per cpu tracefiles |
6cd62ccf |
99 | ****************************************************************************/ |
100 | |
963b5f2d |
101 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
102 | { |
963b5f2d |
103 | LttTracefile * tf; |
104 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
105 | if(!tf) return; |
963b5f2d |
106 | t->per_cpu_tracefile_number++; |
107 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
108 | } |
109 | |
963b5f2d |
110 | void ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
111 | { |
963b5f2d |
112 | LttTracefile * tf; |
113 | LttEvent * ev; |
114 | LttFacility * f; |
115 | uint16_t evId; |
116 | void * pos; |
117 | FacilityLoad fLoad; |
118 | int i; |
119 | |
120 | tf = ltt_tracefile_open(t,control_name); |
8710c6c7 |
121 | if(!tf) return; |
963b5f2d |
122 | t->control_tracefile_number++; |
123 | g_ptr_array_add(t->control_tracefiles,tf); |
124 | |
125 | //parse facilities tracefile to get base_id |
542ceddd |
126 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
127 | while(1){ |
40331ba8 |
128 | ev = ltt_tracefile_read(tf); |
129 | if(!ev)return; // end of file |
130 | |
131 | if(ev->event_id == TRACE_FACILITY_LOAD){ |
132 | pos = ev->data; |
963b5f2d |
133 | fLoad.name = (char*)pos; |
47a166fc |
134 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
135 | fLoad.base_code = *(uint32_t*)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
136 | |
137 | for(i=0;i<t->facility_number;i++){ |
138 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
139 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
140 | f->base_id = fLoad.base_code; |
141 | break; |
142 | } |
143 | } |
144 | if(i==t->facility_number) |
145 | g_error("Facility: %s, checksum: %d is not founded\n", |
146 | fLoad.name,fLoad.checksum); |
40331ba8 |
147 | }else if(ev->event_id == TRACE_BLOCK_START){ |
148 | continue; |
149 | }else if(ev->event_id == TRACE_BLOCK_END){ |
150 | break; |
963b5f2d |
151 | }else g_error("Not valid facilities trace file\n"); |
152 | } |
153 | } |
6cd62ccf |
154 | } |
155 | |
156 | /***************************************************************************** |
157 | *Function name |
963b5f2d |
158 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
159 | *Input params |
963b5f2d |
160 | * t : tracefile which will be closed |
6cd62ccf |
161 | ****************************************************************************/ |
162 | |
963b5f2d |
163 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
164 | { |
963b5f2d |
165 | g_free(t->name); |
166 | g_free(t->buffer); |
663bd9ff |
167 | close(t->fd); |
963b5f2d |
168 | g_free(t); |
169 | } |
6cd62ccf |
170 | |
6cd62ccf |
171 | |
963b5f2d |
172 | /***************************************************************************** |
173 | *Get system information |
174 | ****************************************************************************/ |
175 | void getSystemInfo(LttSystemDescription* des, char * pathname) |
176 | { |
177 | FILE * fp; |
178 | int i; |
179 | int entry_number = 15; |
180 | char buf[DIR_NAME_SIZE]; |
181 | char description[4*DIR_NAME_SIZE]; |
182 | char * ptr; |
183 | |
184 | fp = fopen(pathname,"r"); |
185 | if(!fp){ |
186 | g_error("Can not open file : %s\n", pathname); |
6cd62ccf |
187 | } |
963b5f2d |
188 | |
189 | while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){ |
190 | ptr = buf; |
191 | while(isspace(*ptr)) ptr++; |
192 | if(strlen(ptr) == 0) continue; |
193 | break; |
6cd62ccf |
194 | } |
195 | |
963b5f2d |
196 | if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname); |
197 | if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname); |
198 | |
199 | for(i=0;i<entry_number;i++){ |
200 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
201 | g_error("Not a valid file: %s\n", pathname); |
8710c6c7 |
202 | buf[strlen(buf)-1] = '\0'; |
963b5f2d |
203 | ptr = buf; |
204 | while(isspace(*ptr)) ptr++; |
205 | switch(i){ |
206 | case 0: |
207 | if(strncmp("node_name=",ptr,10)!=0) |
208 | g_error("Not a valid file: %s\n", pathname); |
209 | des->node_name = g_strdup(ptr+10); |
210 | break; |
211 | case 1: |
212 | if(strncmp("domainname=",ptr,11)!=0) |
213 | g_error("Not a valid file: %s\n", pathname); |
214 | des->domain_name = g_strdup(ptr+11); |
215 | break; |
216 | case 2: |
217 | if(strncmp("cpu=",ptr,4)!=0) |
218 | g_error("Not a valid file: %s\n", pathname); |
219 | des->nb_cpu = (unsigned)atoi(ptr+4); |
220 | break; |
221 | case 3: |
222 | if(strncmp("arch_size=",ptr,10)!=0) |
223 | g_error("Not a valid file: %s\n", pathname); |
224 | if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32; |
225 | else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32; |
226 | else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64; |
227 | else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64; |
228 | else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN; |
229 | break; |
230 | case 4: |
231 | if(strncmp("endian=",ptr,7)!=0) |
232 | g_error("Not a valid file: %s\n", pathname); |
233 | if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0) |
234 | des->endian = LTT_LITTLE_ENDIAN; |
235 | else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0) |
236 | des->endian = LTT_BIG_ENDIAN; |
237 | break; |
238 | case 5: |
239 | if(strncmp("kernel_name=",ptr,12)!=0) |
240 | g_error("Not a valid file: %s\n", pathname); |
241 | des->kernel_name = g_strdup(ptr+12); |
242 | break; |
243 | case 6: |
244 | if(strncmp("kernel_release=",ptr,15)!=0) |
245 | g_error("Not a valid file: %s\n", pathname); |
246 | des->kernel_release = g_strdup(ptr+15); |
247 | break; |
248 | case 7: |
249 | if(strncmp("kernel_version=",ptr,15)!=0) |
250 | g_error("Not a valid file: %s\n", pathname); |
251 | des->kernel_version = g_strdup(ptr+15); |
252 | break; |
253 | case 8: |
254 | if(strncmp("machine=",ptr,8)!=0) |
255 | g_error("Not a valid file: %s\n", pathname); |
256 | des->machine = g_strdup(ptr+8); |
257 | break; |
258 | case 9: |
259 | if(strncmp("processor=",ptr,10)!=0) |
260 | g_error("Not a valid file: %s\n", pathname); |
261 | des->processor = g_strdup(ptr+10); |
262 | break; |
263 | case 10: |
264 | if(strncmp("hardware_platform=",ptr,18)!=0) |
265 | g_error("Not a valid file: %s\n", pathname); |
266 | des->hardware_platform = g_strdup(ptr+18); |
267 | break; |
268 | case 11: |
269 | if(strncmp("operating_system=",ptr,17)!=0) |
270 | g_error("Not a valid file: %s\n", pathname); |
271 | des->operating_system = g_strdup(ptr+17); |
272 | break; |
273 | case 12: |
274 | if(strncmp("ltt_major_version=",ptr,18)!=0) |
275 | g_error("Not a valid file: %s\n", pathname); |
276 | ptr += 18; |
8710c6c7 |
277 | // ptr++;//skip begining " |
278 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
279 | des->ltt_major_version = (unsigned)atoi(ptr); |
280 | break; |
281 | case 13: |
282 | if(strncmp("ltt_minor_version=",ptr,18)!=0) |
283 | g_error("Not a valid file: %s\n", pathname); |
284 | ptr += 18; |
8710c6c7 |
285 | // ptr++;//skip begining " |
286 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
287 | des->ltt_minor_version = (unsigned)atoi(ptr); |
288 | break; |
289 | case 14: |
290 | if(strncmp("ltt_block_size=",ptr,15)!=0) |
291 | g_error("Not a valid file: %s\n", pathname); |
292 | ptr += 15; |
8710c6c7 |
293 | // ptr++;//skip begining " |
294 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
295 | des->ltt_block_size = (unsigned)atoi(ptr); |
296 | break; |
297 | default: |
298 | g_error("Not a valid file: %s\n", pathname); |
299 | } |
6cd62ccf |
300 | } |
301 | |
963b5f2d |
302 | //get description |
303 | description[0] = '\0'; |
304 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
305 | g_error("Not a valid file: %s\n", pathname); |
306 | ptr = buf; |
307 | while(isspace(*ptr)) ptr++; |
308 | if(*ptr != '>') g_error("Not a valid file: %s\n", pathname); |
309 | while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){ |
310 | ptr = buf; |
311 | while(isspace(*ptr)) ptr++; |
312 | if(strncmp("</system>",ptr,9) == 0 )break; |
313 | strcat(description, buf); |
314 | } |
315 | if(!ptr)g_error("Not a valid file: %s\n", pathname); |
316 | if(description[0] = '\0')des->description = NULL; |
317 | des->description = g_strdup(description); |
6cd62ccf |
318 | |
963b5f2d |
319 | fclose(fp); |
6cd62ccf |
320 | } |
321 | |
322 | /***************************************************************************** |
963b5f2d |
323 | *The following functions get facility/tracefile information |
6cd62ccf |
324 | ****************************************************************************/ |
325 | |
963b5f2d |
326 | void getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
327 | { |
963b5f2d |
328 | DIR * dir; |
329 | struct dirent *entry; |
330 | char * ptr; |
331 | int i,j; |
332 | LttFacility * f; |
333 | LttEventType * et; |
e8bb1a73 |
334 | char name[DIR_NAME_SIZE]; |
963b5f2d |
335 | |
336 | dir = opendir(eventdefs); |
337 | if(!dir) g_error("Can not open directory: %s\n", eventdefs); |
338 | |
339 | while((entry = readdir(dir)) != NULL){ |
340 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
341 | if(strcmp(ptr,".xml") != 0) continue; |
e8bb1a73 |
342 | strcpy(name,eventdefs); |
343 | strcat(name,entry->d_name); |
344 | ltt_facility_open(t,name); |
963b5f2d |
345 | } |
346 | closedir(dir); |
347 | |
963b5f2d |
348 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
349 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
350 | for(i=0; i<f->event_number; i++){ |
351 | et = f->events[i]; |
40331ba8 |
352 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
353 | } |
354 | } |
355 | } |
6cd62ccf |
356 | |
963b5f2d |
357 | void getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
358 | { |
963b5f2d |
359 | DIR * dir; |
360 | struct dirent *entry; |
e8bb1a73 |
361 | char name[DIR_NAME_SIZE]; |
963b5f2d |
362 | |
363 | dir = opendir(control); |
364 | if(!dir) g_error("Can not open directory: %s\n", control); |
365 | |
366 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
367 | if(strcmp(entry->d_name,"facilities") != 0 && |
368 | strcmp(entry->d_name,"interrupts") != 0 && |
963b5f2d |
369 | strcmp(entry->d_name,"processes") != 0) continue; |
370 | |
e8bb1a73 |
371 | strcpy(name,control); |
372 | strcat(name,entry->d_name); |
373 | ltt_tracefile_open_control(t,name); |
963b5f2d |
374 | } |
375 | closedir(dir); |
6cd62ccf |
376 | } |
377 | |
963b5f2d |
378 | void getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
379 | { |
963b5f2d |
380 | DIR * dir; |
381 | struct dirent *entry; |
e8bb1a73 |
382 | char name[DIR_NAME_SIZE]; |
963b5f2d |
383 | |
384 | dir = opendir(cpu); |
385 | if(!dir) g_error("Can not open directory: %s\n", cpu); |
386 | |
387 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
388 | if(strcmp(entry->d_name,".") != 0 && |
963b5f2d |
389 | strcmp(entry->d_name,"..") != 0 ){ |
e8bb1a73 |
390 | strcpy(name,cpu); |
391 | strcat(name,entry->d_name); |
392 | ltt_tracefile_open_cpu(t,name); |
963b5f2d |
393 | }else continue; |
394 | } |
395 | closedir(dir); |
6cd62ccf |
396 | } |
397 | |
963b5f2d |
398 | /***************************************************************************** |
399 | *A trace is specified as a pathname to the directory containing all the |
400 | *associated data (control tracefiles, per cpu tracefiles, event |
401 | *descriptions...). |
402 | * |
403 | *When a trace is closed, all the associated facilities, types and fields |
404 | *are released as well. |
405 | ****************************************************************************/ |
6cd62ccf |
406 | |
963b5f2d |
407 | LttTrace *ltt_trace_open(char *pathname) |
6cd62ccf |
408 | { |
963b5f2d |
409 | LttTrace * t; |
410 | LttSystemDescription * sys_description; |
411 | char eventdefs[DIR_NAME_SIZE]; |
412 | char info[DIR_NAME_SIZE]; |
413 | char control[DIR_NAME_SIZE]; |
414 | char cpu[DIR_NAME_SIZE]; |
415 | char tmp[DIR_NAME_SIZE]; |
416 | gboolean has_slash = FALSE; |
417 | |
418 | //establish the pathname to different directories |
419 | if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE; |
420 | strcpy(eventdefs,pathname); |
421 | if(!has_slash)strcat(eventdefs,"/"); |
422 | strcat(eventdefs,"eventdefs/"); |
423 | |
424 | strcpy(info,pathname); |
425 | if(!has_slash)strcat(info,"/"); |
426 | strcat(info,"info/"); |
427 | |
428 | strcpy(control,pathname); |
429 | if(!has_slash)strcat(control,"/"); |
430 | strcat(control,"control/"); |
431 | |
432 | strcpy(cpu,pathname); |
433 | if(!has_slash)strcat(cpu,"/"); |
434 | strcat(cpu,"cpu/"); |
435 | |
436 | //new trace |
437 | t = g_new(LttTrace, 1); |
438 | sys_description = g_new(LttSystemDescription, 1); |
439 | t->pathname = g_strdup(pathname); |
440 | t->facility_number = 0; |
441 | t->control_tracefile_number = 0; |
442 | t->per_cpu_tracefile_number = 0; |
443 | t->system_description = sys_description; |
444 | t->control_tracefiles = g_ptr_array_new(); |
445 | t->per_cpu_tracefiles = g_ptr_array_new(); |
446 | t->facilities = g_ptr_array_new(); |
447 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
448 | |
449 | //get system description |
450 | strcpy(tmp,info); |
451 | strcat(tmp,"system.xml"); |
452 | getSystemInfo(sys_description, tmp); |
453 | |
b333a76b |
454 | //get facilities info |
455 | getFacilityInfo(t,eventdefs); |
456 | |
963b5f2d |
457 | //get control tracefile info |
458 | getControlFileInfo(t,control); |
459 | |
460 | //get cpu tracefile info |
461 | getCpuFileInfo(t,cpu); |
462 | |
963b5f2d |
463 | return t; |
6cd62ccf |
464 | } |
465 | |
963b5f2d |
466 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
467 | { |
963b5f2d |
468 | int i; |
469 | LttTracefile * tf; |
470 | LttFacility * f; |
471 | |
472 | g_free(t->pathname); |
473 | |
474 | //free system_description |
475 | g_free(t->system_description->description); |
476 | g_free(t->system_description->node_name); |
477 | g_free(t->system_description->domain_name); |
478 | g_free(t->system_description->kernel_name); |
479 | g_free(t->system_description->kernel_release); |
480 | g_free(t->system_description->kernel_version); |
481 | g_free(t->system_description->machine); |
482 | g_free(t->system_description->processor); |
483 | g_free(t->system_description->hardware_platform); |
484 | g_free(t->system_description->operating_system); |
485 | g_free(t->system_description); |
486 | |
487 | //free control_tracefiles |
488 | for(i=0;i<t->control_tracefile_number;i++){ |
489 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
490 | ltt_tracefile_close(tf); |
491 | } |
09ad4797 |
492 | g_ptr_array_free(t->control_tracefiles, TRUE); |
963b5f2d |
493 | |
494 | //free per_cpu_tracefiles |
495 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
496 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
497 | ltt_tracefile_close(tf); |
498 | } |
09ad4797 |
499 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
963b5f2d |
500 | |
501 | //free facilities |
502 | for(i=0;i<t->facility_number;i++){ |
503 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
504 | ltt_facility_close(f); |
505 | } |
09ad4797 |
506 | g_ptr_array_free(t->facilities, TRUE); |
963b5f2d |
507 | |
508 | g_free(t); |
09ad4797 |
509 | |
510 | g_blow_chunks(); |
6cd62ccf |
511 | } |
512 | |
963b5f2d |
513 | |
6cd62ccf |
514 | /***************************************************************************** |
963b5f2d |
515 | *Get the system description of the trace |
6cd62ccf |
516 | ****************************************************************************/ |
517 | |
963b5f2d |
518 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
519 | { |
963b5f2d |
520 | return t->system_description; |
6cd62ccf |
521 | } |
522 | |
523 | /***************************************************************************** |
963b5f2d |
524 | * The following functions discover the facilities of the trace |
6cd62ccf |
525 | ****************************************************************************/ |
526 | |
963b5f2d |
527 | unsigned ltt_trace_facility_number(LttTrace *t) |
528 | { |
529 | return (unsigned)(t->facility_number); |
530 | } |
531 | |
532 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
533 | { |
963b5f2d |
534 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
535 | } |
536 | |
537 | /***************************************************************************** |
538 | *Function name |
963b5f2d |
539 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
540 | *Input params |
963b5f2d |
541 | * t : the trace |
542 | * name : facility name |
543 | *Output params |
544 | * position : position of the facility in the trace |
6cd62ccf |
545 | *Return value |
963b5f2d |
546 | * : the number of facilities |
6cd62ccf |
547 | ****************************************************************************/ |
548 | |
963b5f2d |
549 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
550 | { |
963b5f2d |
551 | int i, count=0; |
552 | LttFacility * f; |
8a3005f3 |
553 | for(i=0;i<t->facility_number;i++){ |
963b5f2d |
554 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
555 | if(strcmp(f->name,name)==0){ |
556 | count++; |
557 | if(count==1) *position = i; |
558 | }else{ |
559 | if(count) break; |
560 | } |
561 | } |
562 | return count; |
6cd62ccf |
563 | } |
564 | |
565 | /***************************************************************************** |
963b5f2d |
566 | * Functions to discover all the event types in the trace |
6cd62ccf |
567 | ****************************************************************************/ |
568 | |
963b5f2d |
569 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
570 | { |
963b5f2d |
571 | int i; |
572 | unsigned count = 0; |
573 | LttFacility * f; |
574 | for(i=0;i=t->facility_number;i++){ |
575 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
576 | count += f->event_number; |
577 | } |
578 | return count; |
6cd62ccf |
579 | } |
580 | |
963b5f2d |
581 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
582 | { |
963b5f2d |
583 | LttFacility * facility; |
584 | int i; |
585 | for(i=0;i<trace->facility_number;i++){ |
586 | facility = (LttFacility*) g_ptr_array_index(trace->facilities,i); |
587 | if(id >= facility->base_id && |
588 | id < facility->base_id + facility->event_number) |
589 | break; |
590 | } |
591 | if(i==trace->facility_number) return NULL; |
592 | else return facility; |
6cd62ccf |
593 | } |
594 | |
963b5f2d |
595 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
596 | { |
963b5f2d |
597 | LttFacility * f; |
598 | f = ltt_trace_facility_by_id(t,evId); |
599 | if(!f) return NULL; |
600 | return f->events[evId - f->base_id]; |
6cd62ccf |
601 | } |
602 | |
603 | /***************************************************************************** |
963b5f2d |
604 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
605 | *the maximum number of CPU in the system. When the number of CPU installed |
606 | *is less than the maximum, some positions are unused. There are also a |
607 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
608 | ****************************************************************************/ |
963b5f2d |
609 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
610 | { |
963b5f2d |
611 | return t->control_tracefile_number; |
6cd62ccf |
612 | } |
613 | |
963b5f2d |
614 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
615 | { |
963b5f2d |
616 | return t->per_cpu_tracefile_number; |
6cd62ccf |
617 | } |
618 | |
619 | /***************************************************************************** |
963b5f2d |
620 | *It is possible to search for the tracefiles by name or by CPU position. |
621 | *The index within the tracefiles of the same type is returned if found |
622 | *and a negative value otherwise. |
6cd62ccf |
623 | ****************************************************************************/ |
624 | |
963b5f2d |
625 | int ltt_trace_control_tracefile_find(LttTrace *t, char *name) |
6cd62ccf |
626 | { |
963b5f2d |
627 | LttTracefile * tracefile; |
628 | int i; |
629 | for(i=0;i<t->control_tracefile_number;i++){ |
630 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
631 | if(strcmp(tracefile->name, name)==0)break; |
632 | } |
633 | if(i == t->control_tracefile_number) return -1; |
634 | return i; |
6cd62ccf |
635 | } |
636 | |
963b5f2d |
637 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i) |
6cd62ccf |
638 | { |
963b5f2d |
639 | LttTracefile * tracefile; |
640 | int j, name; |
641 | for(j=0;j<t->per_cpu_tracefile_number;j++){ |
642 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j); |
643 | name = atoi(tracefile->name); |
644 | if(name == (int)i)break; |
645 | } |
646 | if(j == t->per_cpu_tracefile_number) return -1; |
647 | return j; |
6cd62ccf |
648 | } |
649 | |
650 | /***************************************************************************** |
963b5f2d |
651 | *Get a specific tracefile |
6cd62ccf |
652 | ****************************************************************************/ |
653 | |
963b5f2d |
654 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
655 | { |
5598cfe3 |
656 | return (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
963b5f2d |
657 | } |
658 | |
659 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
660 | { |
661 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
662 | } |
663 | |
487ad181 |
664 | /***************************************************************************** |
665 | * Get the start time and end time of the trace |
666 | ****************************************************************************/ |
667 | |
668 | void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end) |
669 | { |
670 | LttTime startSmall, startTmp, endBig, endTmp; |
671 | int i, j=0; |
672 | LttTracefile * tf; |
673 | |
674 | for(i=0;i<t->control_tracefile_number;i++){ |
675 | tf = g_ptr_array_index(t->control_tracefiles, i); |
676 | readBlock(tf,1); |
677 | startTmp = tf->a_block_start->time; |
678 | readBlock(tf,tf->block_number); |
679 | endTmp = tf->a_block_end->time; |
680 | if(i==0){ |
681 | startSmall = startTmp; |
682 | endBig = endTmp; |
683 | j = 1; |
684 | continue; |
685 | } |
686 | if(timecmp(&startSmall,&startTmp) > 0) startSmall = startTmp; |
687 | if(timecmp(&endBig,&endTmp) < 0) endBig = endTmp; |
688 | } |
689 | |
690 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
691 | tf = g_ptr_array_index(t->per_cpu_tracefiles, i); |
692 | readBlock(tf,1); |
693 | startTmp = tf->a_block_start->time; |
694 | readBlock(tf,tf->block_number); |
695 | endTmp = tf->a_block_end->time; |
696 | if(j == 0 && i==0){ |
697 | startSmall = startTmp; |
698 | endBig = endTmp; |
699 | continue; |
700 | } |
701 | if(timecmp(&startSmall,&startTmp) > 0) startSmall = startTmp; |
702 | if(timecmp(&endBig,&endTmp) < 0) endBig = endTmp; |
703 | } |
704 | |
705 | *start = startSmall; |
706 | *end = endBig; |
707 | } |
708 | |
709 | |
6cd62ccf |
710 | /***************************************************************************** |
963b5f2d |
711 | *Get the name of a tracefile |
6cd62ccf |
712 | ****************************************************************************/ |
713 | |
963b5f2d |
714 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
715 | { |
963b5f2d |
716 | return tf->name; |
6cd62ccf |
717 | } |
718 | |
80da81ad |
719 | /***************************************************************************** |
720 | * Get the number of blocks in the tracefile |
721 | ****************************************************************************/ |
722 | |
723 | unsigned ltt_tracefile_block_number(LttTracefile *tf) |
724 | { |
725 | return tf->block_number; |
726 | } |
727 | |
6cd62ccf |
728 | /***************************************************************************** |
729 | *Function name |
730 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
731 | * larger or equal to time |
732 | *Input params |
733 | * t : tracefile |
734 | * time : criteria of the time |
6cd62ccf |
735 | ****************************************************************************/ |
736 | |
963b5f2d |
737 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
738 | { |
739 | int err; |
963b5f2d |
740 | LttTime lttTime; |
741 | int headTime = timecmp(&(t->a_block_start->time), &time); |
742 | int tailTime = timecmp(&(t->a_block_end->time), &time); |
62e55dd6 |
743 | LttEvent * ev; |
744 | |
6cd62ccf |
745 | if(headTime < 0 && tailTime > 0){ |
db55eaae |
746 | if(timecmp(&(t->a_block_end->time),&(t->current_event_time)) !=0){ |
747 | lttTime = getEventTime(t); |
748 | err = timecmp(<tTime, &time); |
749 | if(err > 0){ |
750 | if(t->which_event==2 || timecmp(&t->prev_event_time,&time)<0){ |
1a3b8cbd |
751 | return; |
db55eaae |
752 | }else{ |
753 | updateTracefile(t); |
754 | return ltt_tracefile_seek_time(t, time); |
1a3b8cbd |
755 | } |
db55eaae |
756 | }else if(err < 0){ |
757 | while(1){ |
758 | ev = ltt_tracefile_read(t); |
759 | if(ev == NULL){ |
760 | g_print("End of file\n"); |
761 | return; |
762 | } |
763 | lttTime = getEventTime(t); |
764 | err = timecmp(<tTime, &time); |
765 | if(err >= 0)return; |
766 | } |
767 | }else return; |
768 | }else{//we are at the end of the block |
769 | updateTracefile(t); |
770 | return ltt_tracefile_seek_time(t, time); |
771 | } |
e37c1372 |
772 | }else if(headTime >= 0){ |
6cd62ccf |
773 | if(t->which_block == 1){ |
774 | updateTracefile(t); |
775 | }else{ |
40331ba8 |
776 | if(timecmp(&(t->prev_block_end_time),&time) >= 0 ){ |
6cd62ccf |
777 | err=readBlock(t,t->which_block-1); |
963b5f2d |
778 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
6cd62ccf |
779 | return ltt_tracefile_seek_time(t, time) ; |
780 | }else{ |
781 | updateTracefile(t); |
782 | } |
783 | } |
40331ba8 |
784 | }else if(tailTime < 0){ |
6cd62ccf |
785 | if(t->which_block != t->block_number){ |
786 | err=readBlock(t,t->which_block+1); |
963b5f2d |
787 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
788 | }else { |
25975c93 |
789 | g_print("End of file\n"); |
963b5f2d |
790 | return; |
791 | } |
6cd62ccf |
792 | if(tailTime < 0) return ltt_tracefile_seek_time(t, time); |
40331ba8 |
793 | }else if(tailTime == 0){ |
e37c1372 |
794 | t->cur_event_pos = t->last_event_pos; |
62e55dd6 |
795 | t->current_event_time = time; |
796 | t->cur_heart_beat_number = 0; |
797 | t->prev_event_time.tv_sec = 0; |
798 | t->prev_event_time.tv_nsec = 0; |
40331ba8 |
799 | return; |
6cd62ccf |
800 | } |
6cd62ccf |
801 | } |
802 | |
80da81ad |
803 | /***************************************************************************** |
804 | * Seek to the first event with position equal or larger to ep |
805 | ****************************************************************************/ |
806 | |
807 | void ltt_tracefile_seek_position(LttTracefile *t, LttEventPosition *ep) |
808 | { |
809 | //if we are at the right place, just return |
810 | if(t->which_block == ep->block_num && t->which_event == ep->event_num) |
811 | return; |
812 | |
813 | if(t->which_block == ep->block_num) updateTracefile(t); |
814 | else readBlock(t,ep->block_num); |
815 | |
816 | //event offset is availiable |
817 | if(ep->old_position){ |
818 | t->cur_heart_beat_number = ep->heart_beat_number; |
819 | t->cur_event_pos = t->buffer + ep->event_offset; |
820 | return; |
821 | } |
822 | |
823 | //only block number and event index are availiable |
824 | while(t->which_event < ep->event_num) ltt_tracefile_read(t); |
825 | |
826 | return; |
827 | } |
828 | |
6cd62ccf |
829 | /***************************************************************************** |
830 | *Function name |
40331ba8 |
831 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
832 | *Input params |
833 | * t : tracefile |
834 | *Return value |
963b5f2d |
835 | * LttEvent * : an event to be processed |
6cd62ccf |
836 | ****************************************************************************/ |
837 | |
963b5f2d |
838 | LttEvent *ltt_tracefile_read(LttTracefile *t) |
6cd62ccf |
839 | { |
7525f9e5 |
840 | LttEvent * lttEvent = &t->an_event; |
963b5f2d |
841 | int err; |
6cd62ccf |
842 | |
bdc36259 |
843 | if(t->cur_event_pos == t->buffer + t->block_size){ |
844 | if(t->which_block == t->block_number){ |
bdc36259 |
845 | return NULL; |
846 | } |
847 | err = readBlock(t, t->which_block + 1); |
848 | if(err)g_error("Can not read tracefile"); |
849 | } |
850 | |
963b5f2d |
851 | lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos)); |
852 | if(lttEvent->event_id == TRACE_TIME_HEARTBEAT) |
853 | t->cur_heart_beat_number++; |
6cd62ccf |
854 | |
40331ba8 |
855 | t->prev_event_time = t->current_event_time; |
62e55dd6 |
856 | // t->current_event_time = getEventTime(t); |
6cd62ccf |
857 | |
963b5f2d |
858 | lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); |
859 | lttEvent->event_time = t->current_event_time; |
860 | |
6cd62ccf |
861 | lttEvent->tracefile = t; |
862 | lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
908f42fa |
863 | lttEvent->which_block = t->which_block; |
864 | lttEvent->which_event = t->which_event; |
6cd62ccf |
865 | |
40331ba8 |
866 | //update the fields of the current event and go to the next event |
867 | err = skipEvent(t); |
40331ba8 |
868 | if(err == ERANGE) g_error("event id is out of range\n"); |
40331ba8 |
869 | |
e4eced0f |
870 | lttEvent->event_cycle_count = t->cur_cycle_count; |
871 | |
6cd62ccf |
872 | return lttEvent; |
873 | } |
874 | |
875 | /**************************************************************************** |
876 | *Function name |
877 | * readFile : wrap function to read from a file |
878 | *Input Params |
879 | * fd : file descriptor |
880 | * buf : buf to contain the content |
881 | * size : number of bytes to be read |
882 | * mesg : message to be printed if some thing goes wrong |
883 | *return value |
884 | * 0 : success |
885 | * EIO : can not read from the file |
886 | ****************************************************************************/ |
887 | |
888 | int readFile(int fd, void * buf, size_t size, char * mesg) |
889 | { |
890 | ssize_t nbBytes; |
891 | nbBytes = read(fd, buf, size); |
892 | if(nbBytes != size){ |
893 | printf("%s\n",mesg); |
894 | return EIO; |
895 | } |
896 | return 0; |
897 | } |
898 | |
899 | /**************************************************************************** |
900 | *Function name |
901 | * readBlock : read a block from the file |
902 | *Input Params |
903 | * lttdes : ltt trace file |
904 | * whichBlock : the block which will be read |
905 | *return value |
906 | * 0 : success |
907 | * EINVAL : lseek fail |
908 | * EIO : can not read from the file |
909 | ****************************************************************************/ |
910 | |
963b5f2d |
911 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
912 | { |
913 | off_t nbBytes; |
914 | uint32_t lostSize; |
915 | |
916 | if(whichBlock - tf->which_block == 1 && tf->which_block != 0){ |
963b5f2d |
917 | tf->prev_block_end_time = tf->a_block_end->time; |
40331ba8 |
918 | tf->prev_event_time = tf->a_block_end->time; |
6cd62ccf |
919 | }else{ |
920 | tf->prev_block_end_time.tv_sec = 0; |
921 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
922 | tf->prev_event_time.tv_sec = 0; |
923 | tf->prev_event_time.tv_nsec = 0; |
6cd62ccf |
924 | } |
6cd62ccf |
925 | |
963b5f2d |
926 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
927 | if(nbBytes == -1) return EINVAL; |
928 | |
963b5f2d |
929 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
930 | return EIO; |
6cd62ccf |
931 | |
963b5f2d |
932 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
933 | lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t)); |
934 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
935 | lostSize + EVENT_HEADER_SIZE); |
e37c1372 |
936 | tf->last_event_pos = tf->buffer + tf->block_size - lostSize; |
6cd62ccf |
937 | |
6cd62ccf |
938 | tf->which_block = whichBlock; |
963b5f2d |
939 | tf->which_event = 1; |
40331ba8 |
940 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
941 | tf->cur_heart_beat_number = 0; |
963b5f2d |
942 | |
6cd62ccf |
943 | getCyclePerNsec(tf); |
944 | |
62e55dd6 |
945 | tf->current_event_time = getEventTime(tf); |
40331ba8 |
946 | |
6cd62ccf |
947 | return 0; |
948 | } |
949 | |
950 | /***************************************************************************** |
951 | *Function name |
952 | * updateTracefile : reinitialize the info of the block which is already |
953 | * in the buffer |
954 | *Input params |
955 | * tf : tracefile |
956 | ****************************************************************************/ |
957 | |
963b5f2d |
958 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
959 | { |
963b5f2d |
960 | tf->which_event = 1; |
40331ba8 |
961 | tf->cur_event_pos = tf->buffer; |
62e55dd6 |
962 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
963 | tf->cur_heart_beat_number = 0; |
964 | |
965 | tf->prev_event_time.tv_sec = 0; |
966 | tf->prev_event_time.tv_nsec = 0; |
967 | } |
968 | |
969 | /***************************************************************************** |
970 | *Function name |
971 | * skipEvent : go to the next event, update the fields of the current event |
972 | *Input params |
973 | * t : tracefile |
974 | *return value |
975 | * 0 : success |
6cd62ccf |
976 | * ERANGE : event id is out of range |
977 | ****************************************************************************/ |
978 | |
963b5f2d |
979 | int skipEvent(LttTracefile * t) |
6cd62ccf |
980 | { |
981 | int evId, err; |
982 | void * evData; |
963b5f2d |
983 | LttEventType * evT; |
984 | LttField * rootFld; |
6cd62ccf |
985 | |
963b5f2d |
986 | evId = (int)(*(uint16_t *)(t->cur_event_pos)); |
6cd62ccf |
987 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
6cd62ccf |
988 | |
908f42fa |
989 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
47a166fc |
990 | |
908f42fa |
991 | if(evT) rootFld = evT->root_field; |
992 | else return ERANGE; |
6cd62ccf |
993 | |
908f42fa |
994 | if(rootFld){ |
995 | //event has string/sequence or the last event is not the same event |
996 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
997 | && rootFld->field_fixed == 0){ |
998 | setFieldsOffset(t, evT, evData, t->trace); |
47a166fc |
999 | } |
908f42fa |
1000 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
1001 | }else t->cur_event_pos += EVENT_HEADER_SIZE; |
1002 | |
1003 | evT->latest_block = t->which_block; |
1004 | evT->latest_event = t->which_event; |
1005 | |
6cd62ccf |
1006 | //the next event is in the next block |
963b5f2d |
1007 | if(evId == TRACE_BLOCK_END){ |
bdc36259 |
1008 | t->cur_event_pos = t->buffer + t->block_size; |
6cd62ccf |
1009 | }else{ |
1010 | t->which_event++; |
62e55dd6 |
1011 | t->current_event_time = getEventTime(t); |
6cd62ccf |
1012 | } |
1013 | |
1014 | return 0; |
1015 | } |
1016 | |
1017 | /***************************************************************************** |
1018 | *Function name |
1019 | * getCyclePerNsec : calculate cycles per nsec for current block |
1020 | *Input Params |
1021 | * t : tracefile |
1022 | ****************************************************************************/ |
1023 | |
963b5f2d |
1024 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
1025 | { |
963b5f2d |
1026 | LttTime lBufTotalTime; /* Total time for this buffer */ |
1027 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
1028 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
1029 | |
1030 | /* Calculate the total time for this buffer */ |
963b5f2d |
1031 | TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
1032 | |
1033 | /* Calculate the total cycles for this bufffer */ |
e4eced0f |
1034 | lBufTotalCycle = t->a_block_end->cycle_count; |
1035 | lBufTotalCycle -= t->a_block_start->cycle_count; |
6cd62ccf |
1036 | |
1037 | /* Convert the total time to nsecs */ |
e4eced0f |
1038 | lBufTotalNSec = lBufTotalTime.tv_sec; |
1039 | lBufTotalNSec *= NANSECOND_CONST; |
1040 | lBufTotalNSec += lBufTotalTime.tv_nsec; |
6cd62ccf |
1041 | |
1042 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
1043 | } |
1044 | |
1045 | /**************************************************************************** |
1046 | *Function name |
1047 | * getEventTime : obtain the time of an event |
1048 | *Input params |
1049 | * tf : tracefile |
1050 | *Return value |
963b5f2d |
1051 | * LttTime : the time of the event |
6cd62ccf |
1052 | ****************************************************************************/ |
1053 | |
963b5f2d |
1054 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
1055 | { |
963b5f2d |
1056 | LttTime time; |
1057 | LttCycleCount cycle_count; // cycle count for the current event |
1058 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
1059 | double lEventNSec; // Total usecs from start for event |
1060 | LttTime lTimeOffset; // Time offset in struct LttTime |
40331ba8 |
1061 | uint16_t evId; |
e4eced0f |
1062 | int64_t nanoSec, tmpCycleCount = (((uint64_t)1)<<32); |
1063 | static LttCycleCount preCycleCount = 0; |
1064 | static int count = 0; |
1065 | |
40331ba8 |
1066 | evId = *(uint16_t*)tf->cur_event_pos; |
e4eced0f |
1067 | if(evId == TRACE_BLOCK_START){ |
1068 | count = 0; |
1069 | preCycleCount = 0; |
1070 | tf->cur_cycle_count = tf->a_block_start->cycle_count; |
40331ba8 |
1071 | return tf->a_block_start->time; |
e4eced0f |
1072 | }else if(evId == TRACE_BLOCK_END){ |
1073 | count = 0; |
1074 | preCycleCount = 0; |
1075 | tf->cur_cycle_count = tf->a_block_end->cycle_count; |
40331ba8 |
1076 | return tf->a_block_end->time; |
e4eced0f |
1077 | } |
40331ba8 |
1078 | |
e4eced0f |
1079 | // Calculate total time in cycles from start of buffer for this event |
963b5f2d |
1080 | cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); |
e4eced0f |
1081 | |
1082 | if(cycle_count < preCycleCount)count++; |
1083 | preCycleCount = cycle_count; |
1084 | cycle_count += tmpCycleCount * count; |
1085 | |
1086 | if(tf->cur_heart_beat_number > count) |
1087 | cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - count); |
1088 | |
1089 | tf->cur_cycle_count = cycle_count; |
1090 | |
1091 | lEventTotalCycle = cycle_count; |
1092 | lEventTotalCycle -= tf->a_block_start->cycle_count; |
6cd62ccf |
1093 | |
963b5f2d |
1094 | // Convert it to nsecs |
6cd62ccf |
1095 | lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; |
e4eced0f |
1096 | nanoSec = lEventNSec; |
1097 | |
963b5f2d |
1098 | // Determine offset in struct LttTime |
e4eced0f |
1099 | lTimeOffset.tv_nsec = nanoSec % NANSECOND_CONST; |
1100 | lTimeOffset.tv_sec = nanoSec / NANSECOND_CONST; |
6cd62ccf |
1101 | |
963b5f2d |
1102 | TimeAdd(time, tf->a_block_start->time, lTimeOffset); |
e4eced0f |
1103 | |
6cd62ccf |
1104 | return time; |
1105 | } |
1106 | |
1107 | /***************************************************************************** |
1108 | *Function name |
1109 | * setFieldsOffset : set offset of the fields |
1110 | *Input params |
1111 | * tracefile : opened trace file |
1112 | * evT : the event type |
1113 | * evD : event data, it may be NULL |
1114 | ****************************************************************************/ |
1115 | |
40331ba8 |
1116 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1117 | { |
963b5f2d |
1118 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1119 | // rootFld->base_address = evD; |
1120 | |
8710c6c7 |
1121 | if(rootFld) |
1122 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1123 | } |
1124 | |
1125 | /***************************************************************************** |
1126 | *Function name |
1127 | * getFieldtypeSize: get the size of the field type (primitive type) |
1128 | *Input params |
1129 | * tracefile : opened trace file |
1130 | * evT : event type |
1131 | * offsetRoot : offset from the root |
1132 | * offsetParent : offset from the parrent |
1133 | * fld : field |
1134 | * evD : event data, it may be NULL |
1135 | *Return value |
1136 | * int : size of the field |
1137 | ****************************************************************************/ |
1138 | |
963b5f2d |
1139 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
40331ba8 |
1140 | int offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1141 | { |
1142 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1143 | LttType * type = fld->field_type; |
6cd62ccf |
1144 | |
8710c6c7 |
1145 | if(t){ |
963b5f2d |
1146 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1147 | return fld->field_size; |
1148 | } |
1149 | } |
6cd62ccf |
1150 | |
1151 | if(fld->field_fixed == 1){ |
1152 | if(fld == evT->root_field) return fld->field_size; |
1153 | } |
1154 | |
1155 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1156 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1157 | if(fld->field_fixed == -1){ |
40331ba8 |
1158 | size = (int) ltt_type_size(trace, type); |
6cd62ccf |
1159 | fld->field_fixed = 1; |
1160 | }else size = fld->field_size; |
1161 | |
1162 | }else if(type->type_class == LTT_ARRAY){ |
1163 | element_number = (int) type->element_number; |
1164 | if(fld->field_fixed == -1){ |
40331ba8 |
1165 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1166 | if(size == 0){ //has string or sequence |
1167 | fld->field_fixed = 0; |
1168 | }else{ |
1169 | fld->field_fixed = 1; |
1170 | size *= element_number; |
1171 | } |
1172 | }else if(fld->field_fixed == 0){// has string or sequence |
1173 | size = 0; |
1174 | for(i=0;i<element_number;i++){ |
1175 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
40331ba8 |
1176 | fld->child[0], evD+size, trace); |
6cd62ccf |
1177 | } |
1178 | }else size = fld->field_size; |
1179 | |
1180 | }else if(type->type_class == LTT_SEQUENCE){ |
40331ba8 |
1181 | size1 = (int) ltt_type_size(trace, type); |
6cd62ccf |
1182 | if(fld->field_fixed == -1){ |
908f42fa |
1183 | fld->sequ_number_size = size1; |
6cd62ccf |
1184 | fld->field_fixed = 0; |
40331ba8 |
1185 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1186 | fld->element_size = size; |
1187 | }else{//0: sequence |
1188 | element_number = getIntNumber(size1,evD); |
1189 | type->element_number = element_number; |
1190 | if(fld->element_size > 0){ |
1191 | size = element_number * fld->element_size; |
1192 | }else{//sequence has string or sequence |
1193 | size = 0; |
1194 | for(i=0;i<element_number;i++){ |
1195 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
40331ba8 |
1196 | fld->child[0], evD+size+size1, trace); |
6cd62ccf |
1197 | } |
1198 | } |
1199 | size += size1; |
1200 | } |
1201 | |
1202 | }else if(type->type_class == LTT_STRING){ |
1203 | size = 0; |
1204 | if(fld->field_fixed == -1){ |
1205 | fld->field_fixed = 0; |
1206 | }else{//0: string |
47a166fc |
1207 | size = strlen((char*)evD) + 1; //include end : '\0' |
6cd62ccf |
1208 | } |
1209 | |
1210 | }else if(type->type_class == LTT_STRUCT){ |
1211 | element_number = (int) type->element_number; |
1212 | size = 0; |
1213 | if(fld->field_fixed == -1){ |
1214 | offset1 = offsetRoot; |
1215 | offset2 = 0; |
1216 | for(i=0;i<element_number;i++){ |
40331ba8 |
1217 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace); |
6cd62ccf |
1218 | if(size1 > 0 && size >= 0){ |
1219 | size += size1; |
1220 | if(offset1 >= 0) offset1 += size1; |
1221 | offset2 += size1; |
1222 | }else{ |
1223 | size = -1; |
1224 | offset1 = -1; |
1225 | offset2 = -1; |
1226 | } |
1227 | } |
1228 | if(size == -1){ |
1229 | fld->field_fixed = 0; |
1230 | size = 0; |
1231 | }else fld->field_fixed = 1; |
1232 | }else if(fld->field_fixed == 0){ |
1233 | offset1 = offsetRoot; |
1234 | offset2 = 0; |
1235 | for(i=0;i<element_number;i++){ |
40331ba8 |
1236 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace); |
6cd62ccf |
1237 | offset1 += size; |
1238 | offset2 += size; |
1239 | } |
1240 | size = offset2; |
1241 | }else size = fld->field_size; |
1242 | } |
1243 | |
1244 | fld->offset_root = offsetRoot; |
1245 | fld->offset_parent = offsetParent; |
1246 | if(!evD){ |
1247 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1248 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1249 | } |
1250 | fld->field_size = size; |
1251 | |
1252 | return size; |
1253 | } |
1254 | |
1255 | /***************************************************************************** |
1256 | *Function name |
1257 | * timecmp : compare two time |
1258 | *Input params |
1259 | * t1 : first time |
1260 | * t2 : second time |
1261 | *Return value |
1262 | * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2 |
1263 | ****************************************************************************/ |
1264 | |
963b5f2d |
1265 | int timecmp(LttTime * t1, LttTime * t2) |
6cd62ccf |
1266 | { |
c87b2140 |
1267 | if(t1->tv_sec < t2->tv_sec) return -1; |
1268 | if(t1->tv_sec > t2->tv_sec) return 1; |
1269 | if(t1->tv_nsec < t2->tv_nsec) return -1; |
1270 | if(t1->tv_nsec > t2->tv_nsec) return 1; |
1271 | return 0; |
6cd62ccf |
1272 | } |
1273 | |
1274 | /***************************************************************************** |
1275 | *Function name |
1276 | * getIntNumber : get an integer number |
1277 | *Input params |
1278 | * size : the size of the integer |
1279 | * evD : the event data |
1280 | *Return value |
1281 | * int : an integer |
1282 | ****************************************************************************/ |
1283 | |
1284 | int getIntNumber(int size, void *evD) |
1285 | { |
1286 | int64_t i; |
1287 | if(size == 1) i = *(int8_t *)evD; |
1288 | else if(size == 2) i = *(int16_t *)evD; |
1289 | else if(size == 4) i = *(int32_t *)evD; |
1290 | else if(size == 8) i = *(int64_t *)evD; |
1291 | |
1292 | return (int) i; |
1293 | } |
1294 | |
1295 | /***************************************************************************** |
1296 | *Function name |
1297 | * getDataEndianType : get the data type size and endian type of the local |
1298 | * machine |
1299 | *Input params |
1300 | * size : size of data type |
1301 | * endian : endian type, little or big |
1302 | ****************************************************************************/ |
1303 | |
963b5f2d |
1304 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1305 | { |
1306 | int i = 1; |
1307 | char c = (char) i; |
1308 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1309 | |
1310 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1311 | else *endian = LTT_BIG_ENDIAN; |
1312 | |
1313 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1314 | *size = LTT_LP32; |
1315 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1316 | *size = LTT_ILP32; |
1317 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1318 | *size = LTT_LP64; |
1319 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1320 | *size = LTT_ILP64; |
1321 | else *size = LTT_UNKNOWN; |
1322 | } |
1323 | |